Results 21 to 30 of about 925,111 (164)
Read the free Plain Language Summary for this article on the Journal blog. Abstract Forests store substantial amounts of soil organic carbon (SOC), but SOC stocks differ strongly between forest ecosystems dominated by arbuscular mycorrhizal (AM) or ectomycorrhizal (EcM) fungi.
Mengxu Zhang +10 more
wiley +1 more source
某火电厂循环水系统有多种补水水源,其中之一为铝冶炼厂蒸汽凝结水。由于在生产过程中发生液碱漏入凝结水系统,受污染的凝结水又回用补入循环水系统,导致该火电厂循环水受到污染。通过采取科学合理的应对处理措施,循环水水质恢复正常,未造成设备腐蚀、结垢等不良后果。
韩志远
doaj
China's Eco‐Civilisation, Climate Leviathan, and Hobbesian Energy Transition
Abstract Scholars have hitherto tended to theorise China's ecological civilisation project either as a form of environmental authoritarianism or as a vision of eco‐socialism. This paper contributes to the conversation by conducting a textual analysis of Chinese scholarly discussions on eco‐civilisation.
David Chen
wiley +1 more source
本发明涉及一种循环水系统质能综合优化方法,该方法针对循环水系统操作优化问题。本发明综合考虑了循环水系统运行能耗、工质的补充,涵盖了循环水系统水、热、电、风间的耦合关系,建立起用水网络计算层、循环水全系统计算层、经济目标优化层的三层迭代优化模型。计算过程采用生产过程中工艺负荷、环境等实时数据,并应用遗传模拟退火算法进行优化求解。最终得到当前生产条件下循环水系统的最优操作点,以及该系统中一整套操作数据。为循环水系统操作参数的设定提供科学依据 ...
王挺, 李继龙, 曾鹏, 陶晔
core
通过煤气回收净化装置循环水四个子系统的热量衡算,指出了循环水系统存在的问题,并提出了循环水系统的改进措施,进行了操作实践,实施后取得了较好的效果。
徐风雷 +5 more
doaj
The need for carbon finance schemes to tackle overexploitation of tropical forest wildlife
Abstract Defaunation of tropical forests, particularly from unsustainable hunting, has diminished populations of key seed dispersers for many tree species, driving shifts in forest community composition toward small‐fruited or wind‐dispersed trees with low wood density. Such shifts can reduce aboveground biomass, prompting calls for overexploitation to
Caroline E. Milson +3 more
wiley +1 more source
介绍了烟台发电厂投入运行的循环冷却排污水的深度处理系统,该系统由预处理、预除盐、一级除盐、深度除盐等部分组成,它以电厂的循环排污水作为水源制取除盐水,与原有的水处理车间的除盐水一起供应烟台市供热管网首站用水和电厂锅炉用水。系统投入运行后降低了循环水的浓缩倍数,改善了循环水的运行工况,解决了电厂中循环水排污水处理难的问题,实现了循环冷却排污水的回收利用,达到了循环水的零排放,提高了水利用率,降低了电厂的水耗。
宋荣杰, 王月光
doaj
Linking extinction risk to the economic and nutritional value of sharks in small‐scale fisheries
Abstract To achieve sustainable shark fisheries, it is key to understand not only the biological drivers and environmental consequences of overfishing, but also the social and economic drivers of fisher behavior. The extinction risk of sharks is highest in coastal tropical waters, where small‐scale fisheries are most prevalent.
Andrew J. Temple +7 more
wiley +1 more source
运用水夹点技术, 对循环冷却水系统进行优化。传统的循环冷却水系统采用平行换热网络设计, 换热效率低, 用水量大。采用连续换热网络, 对传统循环冷却水系统进行优化设计后的用水网络, 可取得较高的冷却塔进口水温和较小的用水量, 从而达到节约用水、提高换热效率的目的。
郭勇, 康宏磊, 王荷芳, 李红兵
doaj
针对制氧厂循环水系统出现的低温结垢问题,采用合理的水处理药剂及水质稳定技术,避免制氧循环水系统中的空冷塔、水冷塔等预冷系统关键设备发生结垢堵塞现象,实践证明所用水处理药剂及相应水处理技术效果良好,可保障制氧循环水系统长周期安全稳定运行。
焦志增 +4 more
doaj

